Finger Expansion Joint&comma; Finger Joint&comma; Steel Finger JointLarge movement finger expansion joints represent one of the best solutions to accommodate bridge expansion and contraction whilst reducing road noise emission to a minimum&period; Its main elements consist of cantilevered&comma; or sliding&comma; steel plates connected to each side of the road surface's gap&period; Designed with a "finger-like" shape&comma; the steel plates easily move within each other&semi; Where the primary movement is along the axis of the fingers themselves&period; Since there are no moving parts attached to the joint&comma; cantilever moments reduce the stress induced to the structure&period; There is a large replaceable gutter below the joint which is made of reinforced neoprene and provides an efficient drainage system into the bridge's ducts&period; The gutter also limits the build up of standing water to reduce the possibility of vehicles aquaplaning&period;